/Engine/Plugins/Enterprise/DatasmithFBXImporter/Source/DatasmithFBXTranslator/Public/DatasmithFBXScene.h
Flatten all nodes into an array, so that they can be iterated while modifying the hierarchy
[TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FDatasmithFBXSceneNode](API\Plugins\DatasmithFBXTranslator\FDatasmithFBXSceneNode) > > GetAllNodes()